Audio stereo system



FIG. 1 is a frontal perspective view of an audio stereo system.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown on the drawings are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for an audio stereo system, as shown anddescribed.